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Questions and Answers
What happens to the specific resistance of pure metals with an increase in temperature?
What happens to the specific resistance of pure metals with an increase in temperature?
- It increases
- It fluctuates
- It decreases (correct)
- It remains constant
How is conductivity defined in relation to specific resistance?
How is conductivity defined in relation to specific resistance?
- It is unrelated to specific resistance
- It is the reciprocal of specific resistance (correct)
- It is the same as specific resistance
- It is directly proportional to specific resistance
On what factors does the resistance of a conductor depend?
On what factors does the resistance of a conductor depend?
- Length and temperature
- Material and length
- Cross-sectional area and length
- Material and temperature (correct)
What is the purpose of the meter bridge in Experiment 3?
What is the purpose of the meter bridge in Experiment 3?
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If a wire is stretched to twice its length, how does its specific resistance change?
If a wire is stretched to twice its length, how does its specific resistance change?
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